Joseph Klein Iii sold $1.7M of Ionis Pharmaceuticals (IONS)

Executed Sep 3 2025, disclosed Sep 4 2025, 1 day later.

Value, as filed

$1.7M

28,000 sh × $60.00

Executed

Sep 3 2025

the trade date, as filed

Disclosed

Sep 4 2025

1 day after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

JI Joseph Klein Iii Director profile →

Joseph Klein Iii (Director) filed 5 Form 4 reports in the trailing twelve months (0 purchases, 5 sales), most often in Ionis Pharmaceuticals, Inc. (IONS). The largest single filing was $1.7M of IONS (22,321 sh across 2 lots, as filed), executed Apr 1.

The name

IONS Ionis Pharmaceuticals, Inc. IONS · Healthcare · 119 filings in 24 months ticker →

Healthcare · Ionis Pharmaceuticals, Inc., a commercial-stage biotechnology company, provides RNA-targeted medicines in the United States

More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by Joseph Klein Iii in IONS

IONSSALE Ionis Pharmaceuticals, Inc. $903K
11,419 sh × $79.04
Exec Jul 1
Filed Jul 6 · 6:49 PM ET IONSSALE Ionis Pharmaceuticals, Inc. $743K
10,111 sh across 2 lots
Exec May 1
Filed May 5 · 5:30 PM ET IONSSALE Ionis Pharmaceuticals, Inc. $1.7M
22,321 sh across 2 lots
Exec Apr 1
Filed Apr 2 · 5:30 PM ET IONSSALE Ionis Pharmaceuticals, Inc. $1.6M
20,320 sh across 2 lots
Exec Mar 3
Filed Mar 5 · 5:30 PM ET IONSSALE Ionis Pharmaceuticals, Inc. $960K
12,000 sh across 3 lots
Exec Nov 25 2025
Filed Nov 28 2025 · 5:30 PM ET IONSSALE Ionis Pharmaceuticals, Inc. $1.7M
28,000 sh × $60.00
Exec Sep 3 2025
Filed Sep 4 2025 · 5:30 PM ET